Rotary damper



FIG. 1 is a front view of a rotary damper showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a plan view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a section view taken along line 7—7 in FIG.5.

The ornamental design for a rotary damper, as shown and described.